at uc santa cruz raising questions about how big our galaxy really is. they think it may be half as big as other scientists say it is. they are basing that on how slowly the stars of the outer milky way are moving. they say that's one way to measure the size of thal galaxy. they -- of the galaxy. >> smart people. >> i know. >>> also really smart is sal. are we still at the peak hour, sal? >> yeah, we are. this is between 7:00, 7:30, 7:45. that's when we have the most traffic. we're seeing some of that right now as we look at 237 shing -- seeing some slow traffic there, continuing all the way out to 101. most mostly slow traffic. the morning commute will be busy if you are at the toll plaza. westbound once on the bridge looks good. if you are driving on the south bay commute, northbound 87, that crash near 280 has been moved to the shoulder but 280 itself is slow from about 87 to cupertino, let's go to steve. >>> thank you, sal. a very cold morning. a lot of 20s from lake county to the santa cruz mountains. some higher clouds coming in. beautiful sunrise. i think the damage is done here.